Everything rewritten from scratch
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5008 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Guillermo Rodriguez Garcia
parent
c5a1681bfe
commit
b8f0499040
@ -3,6 +3,8 @@
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// Purpose: Common timer implementation
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// Author: Julian Smart
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// Modified by: Vadim Zeitlin on 12.11.99 to get rid of all ifdefs
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// Sylvain Bougnoux on ?? to add wxStopWatch class
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// Guillermo Rodriguez <guille@iies.es>, 12/99 complete rewrite.
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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@ -34,33 +36,22 @@
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#endif
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#include "wx/timer.h"
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#include "wx/longlong.h"
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// I'm told VMS is POSIX, so should have localtime()
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#if defined(__WXMSW__) || defined(__VMS__) || defined(__WXPM__) || defined(__WXMAC__)
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// configure might have found it already for us
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#ifndef HAVE_LOCALTIME
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#define HAVE_LOCALTIME
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#endif
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#if defined(__WIN32__)
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#include <windows.h>
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#endif
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// TODO: #define WX_GMTOFF_IN_TM for Windows compilers which have it here
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#if defined(__WIN32__) && !defined(WX_GMTOFF_IN_TM)
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#include <windows.h>
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#include <time.h>
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#ifndef __WXMAC__
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#include <sys/types.h> // for time_t
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#endif
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#if defined(HAVE_GETTIMEOFDAY)
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#include <sys/time.h>
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#include <unistd.h>
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#elif defined(HAVE_LOCALTIME)
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#include <time.h>
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#ifndef __WXMAC__
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#include <sys/types.h> // for time_t
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#endif
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#elif defined(HAVE_FTIME)
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#include <sys/timeb.h>
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#else
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#error "no function to find the current time on this system"
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#endif
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// ----------------------------------------------------------------------------
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@ -82,166 +73,163 @@
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// implementation
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// ============================================================================
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wxLongLong wxGetLocalTimeMillis();
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// ----------------------------------------------------------------------------
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// wxStopWatch
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// ----------------------------------------------------------------------------
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void wxStopWatch::Start(long t)
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{
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m_t0 = wxGetCurrentMTime() - t;
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m_t0 = wxGetLocalTimeMillis() - t;
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m_pause = 0;
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}
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long wxStopWatch::Time() const
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{
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return m_pause ? m_pause : GetElapsedTime();
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return (m_pause ? m_pause : GetElapsedTime());
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}
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long wxStopWatch::GetElapsedTime() const
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{
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return (wxGetLocalTimeMillis() - m_t0).GetLo();
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}
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// ----------------------------------------------------------------------------
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// old timer functions superceded by wxStopWatch
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// ----------------------------------------------------------------------------
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static long wxStartTime = 0;
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static wxLongLong wxStartTime = 0;
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// starts the global timer
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void wxStartTimer()
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{
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wxStartTime = wxGetCurrentMTime();
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wxStartTime = wxGetLocalTimeMillis();
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}
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// Returns elapsed time in milliseconds
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long wxGetElapsedTime(bool resetTimer)
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{
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long oldTime = wxStartTime;
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long newTime = wxGetCurrentMTime();
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wxLongLong oldTime = wxStartTime;
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wxLongLong newTime = wxGetLocalTimeMillis();
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if ( resetTimer )
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wxStartTime = newTime;
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return newTime - oldTime;
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return (newTime - oldTime).GetLo();
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}
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// Get number of seconds since 00:00:00 GMT, Jan 1st 1970.
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long wxGetCurrentTime()
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{
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return wxGetCurrentMTime() / 1000;
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}
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// ----------------------------------------------------------------------------
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// the functions to get the current time and timezone info
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// ----------------------------------------------------------------------------
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// return GMT time in millisecond
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long wxGetCurrentMTime()
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// Get local time as seconds since 00:00:00, Jan 1st 1970
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long wxGetLocalTime()
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{
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struct tm tm;
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time_t t0, t1;
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// This cannot be made static because mktime can overwrite it.
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//
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memset(&tm, 0, sizeof(tm));
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tm.tm_year = 70;
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tm.tm_mon = 0;
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tm.tm_mday = 5; // not Jan 1st 1970 due to mktime 'feature'
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tm.tm_hour = 0;
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tm.tm_min = 0;
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tm.tm_sec = 0;
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tm.tm_isdst = -1; // let mktime guess
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// Note that mktime assumes that the struct tm contains local time.
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//
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t1 = time(&t1); // now
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t0 = mktime(&tm); // origin
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// Return the difference in seconds.
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//
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if (( t0 != (time_t)-1 ) && ( t1 != (time_t)-1 ))
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return (long)difftime(t1, t0) + (60 * 60 * 24 * 4);
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wxLogSysError(_("Failed to get the local system time"));
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return -1;
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}
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// Get UTC time as seconds since 00:00:00, Jan 1st 1970
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long wxGetUTCTime()
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{
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struct tm tm, *ptm;
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time_t t0, t1;
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// This cannot be made static because mktime can overwrite it
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//
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memset(&tm, 0, sizeof(tm));
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tm.tm_year = 70;
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tm.tm_mon = 0;
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tm.tm_mday = 5; // not Jan 1st 1970 due to mktime 'feature'
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tm.tm_hour = 0;
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tm.tm_min = 0;
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tm.tm_sec = 0;
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tm.tm_isdst = -1; // let mktime guess
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// Note that mktime assumes that the struct tm contains local time.
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//
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t1 = time(&t1); // now
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t0 = mktime(&tm); // origin in localtime
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if (( t0 != (time_t)-1 ) && ( t1 != (time_t)-1 ))
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{
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// To get t0 as GMT we convert to a struct tm with gmtime,
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// and then back again.
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//
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ptm = gmtime(&t0);
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if (ptm)
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{
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memcpy(&tm, ptm, sizeof(tm));
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t0 = mktime(&tm);
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if (t0 != (time_t)-1 )
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return (long)difftime(t1, t0) + (60 * 60 * 24 * 4);
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wxLogSysError(_("Failed 2nd mktime"));
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}
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wxLogSysError(_("Failed gmtime"));
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}
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wxLogSysError(_("Failed to get the UTC system time"));
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return -1;
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}
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// Get local time as milliseconds since 00:00:00, Jan 1st 1970
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wxLongLong wxGetLocalTimeMillis()
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{
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// We use wxGetLocalTime() to get the seconds since
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// 00:00:00 Jan 1st 1970 and then whatever is available
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// to get millisecond resolution.
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//
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wxLongLong val = 1000 * wxGetLocalTime();
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// If we got here, do not fail even if we can't get
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// millisecond resolution.
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//
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#if defined(__WIN32__)
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SYSTEMTIME st;
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::GetLocalTime(&st);
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return 1000*(60*(60*st.wHour+st.wMinute)+st.wSecond)+st.wMilliseconds;
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#else
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#if defined(HAVE_LOCALTIME)
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time_t t0 = time(&t0);
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if ( t0 != (time_t)-1 )
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{
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struct tm *tp = localtime(&t0);
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if ( tp )
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{
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return 1000*(60*(60*tp->tm_hour+tp->tm_min)+tp->tm_sec);
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}
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}
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return (val + st.wMilliseconds);
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#elif defined(HAVE_GETTIMEOFDAY)
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struct timeval tp;
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if ( wxGetTimeOfDay(&tp, (struct timezone *)NULL) != -1 )
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{
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return (1000*tp.tv_sec + tp.tv_usec / 1000);
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return (val + (tp.tv_usec / 1000));
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}
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#elif defined(HAVE_FTIME)
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struct timeb tp;
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if ( ftime(&tp) == 0 )
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{
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return (1000*tp.time + tp.millitm);
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return (val + tp.millitm);
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}
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#else
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#error "no function to find the current time on this system"
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#endif
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wxLogSysError(_("Failed to get the system time"));
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return -1;
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#endif // __WIN32__/!__WIN32__
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}
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bool wxGetLocalTime(long *timeZone, int *dstObserved)
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{
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#if defined(HAVE_LOCALTIME) && defined(WX_GMTOFF_IN_TM)
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time_t t0 = time(&t0);
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if ( t0 != (time_t)-1 )
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{
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struct tm *tm = localtime(&t0);
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if ( tm )
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{
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*timeZone = tm->tm_gmtoff;
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*dstObserved = tm->tm_isdst;
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return TRUE;
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}
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}
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#elif defined(HAVE_GETTIMEOFDAY) && !defined(WX_GETTIMEOFDAY_NO_TZ)
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struct timeval tp;
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struct timezone tz;
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if ( gettimeofday(&tp, &tz) != -1 )
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{
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*timeZone = 60*tz.tz_minuteswest;
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*dstObserved = tz.tz_dsttime;
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return TRUE;
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}
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#elif defined(HAVE_FTIME)
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struct timeb tb;
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if ( ftime(&tb) == 0 )
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{
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*timeZone = 60*tb.timezone;
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*dstObserved = tb.dstflag;
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}
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#else // no standard function return tz info
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// special hacks for known compilers
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#if defined(__BORLANDC__) || defined(__VISUALC__)
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*timeZone = _timezone;
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*dstObserved = _daylight;
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#elif defined(__SALFORDC__)
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*timeZone = _timezone;
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*dstObserved = daylight;
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#elif defined(__VISAGECPP__)
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*timeZone = _timezone;
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*dstObserved = daylight;
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#elif defined(__WIN32__)
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TIME_ZONE_INFORMATION tzInfo;
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switch ( GetTimeZoneInformation(&tzInfo) )
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{
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default:
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wxFAIL_MSG(_T("unknown GetTimeZoneInformation return code"));
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// fall through
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case TIME_ZONE_ID_UNKNOWN:
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case TIME_ZONE_ID_STANDARD:
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*dstObserved = FALSE;
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break;
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case TIME_ZONE_ID_DAYLIGHT:
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*dstObserved = TRUE;
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break;
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}
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*timeZone = 60*tzInfo.Bias;
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#else
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wxFAIL_MSG(_T("wxGetLocalTime() not implemented"));
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#endif // compiler
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#endif // all ways in the known Universe to get tz info
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return FALSE;
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return val;
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}
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